Home / 2,211,431.12-3,051,741.12-1,231,363.52

Finding the Fourth Proportional to 2,211,431.12, 3,051,741.12 and 1,231,363.52

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Solution

The fourth proportional to 2,211,431.12, 3,051,741.12 and 1,231,363.52 is: 1,699,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,431.12 : 3,051,741.12 = 1,231,363.52 : x
  2. Step 2: Convert to fraction form
    2,211,431.12/3,051,741.12 = 1,231,363.52/x
  3. Step 3: Cross multiply
    2,211,431.12x = 3,051,741.12 × 1,231,363.52
  4. Step 4: Simplify right side
    2,211,431.12x = 3,757,802,687,651.94
  5. Step 5: Solve for x
    x = 3,757,802,687,651.94/2,211,431.12
  6. Step 6: Final answer
    x = 1,699,262.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.